Oracle
1Z0-819 · Question #199
1Z0-819 Question #199: Real Exam Question with Answer & Explanation
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Question
You want to implement the jav
MyPersistenceData class so that it can be serialized and deserialized into a file. Which interface and methods would you implement?```java
public class MyPersistenceData {
String str;
public void methodA() {
System.out.println("methodA");
}
}
Options
- AIo, serializable interface to the MyPersistenceData class.
- BThe serializable interface.
- CThe readExternal and writeExternal method
- DThe writeObject method
- ENothing!
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